Sennheiser MD 421-II — Cardioid Dynamic Microphone
MD 421-II Overview
The Sennheiser MD 421-II is a professional-grade cardioid dynamic microphone with a long-standing reputation in recording studios, broadcast facilities, and live sound environments. Designed for versatility, it performs reliably across a broad range of sound sources, from drums and guitar cabinets to brass instruments and broadcast voiceover. Its cardioid polar pattern provides focused pickup while rejecting off-axis noise, and its robust construction is engineered to withstand the demands of professional use. The MD 421-II is a trusted tool for recording engineers, broadcast technicians, and touring production teams alike.
The MD 421-II’s adaptable design integrates seamlessly into studio and live workflows, offering consistent, reliable performance whether positioned in front of a kick drum, a guitar amp, or a news anchor.
Key Features
- Cardioid Polar Pattern — Focused directional pickup minimizes bleed from adjacent sources and off-axis coloration in complex acoustic environments
- Dynamic Transducer — Handles high sound pressure levels without distortion, making it suitable for loud sources such as drums, brass, and amplified instruments
- Versatile Application Range — Equally at home in recording studios, broadcast facilities, houses of worship, and live touring productions
- Robust Construction — Built to withstand the rigors of professional use, including repeated transport and demanding stage environments
- Broadcast Heritage — A long-established standard in radio and television broadcasting, recognized for consistent tonal performance across decades of professional use
- Wide Source Compatibility — Performs reliably on drums, guitar cabinets, brass, woodwinds, and spoken word applications

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